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Finding the Fourth Proportional to 15,563.68, 21,477.02 and 8,848.37

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Solution

The fourth proportional to 15,563.68, 21,477.02 and 8,848.37 is: 12,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.68 : 21,477.02 = 8,848.37 : x
  2. Step 2: Convert to fraction form
    15,563.68/21,477.02 = 8,848.37/x
  3. Step 3: Cross multiply
    15,563.68x = 21,477.02 × 8,848.37
  4. Step 4: Simplify right side
    15,563.68x = 190,036,628.91
  5. Step 5: Solve for x
    x = 190,036,628.91/15,563.68
  6. Step 6: Final answer
    x = 12,210.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.